Traders in Bangkok are familiar with the Australian clothing sizes and usually have their clothing in cms. Be careful however that usually if only classed as XS S M L etc go for a size up from your usual as these clothe sizes are generally fashioned ...
In India also, different shops follow different sizes. Australian 10 should be Indian 34 or 32 (Shopper Stop is 32). I do not remember exactly but in Pantaloons and some other departmental store I think it was 34. But better to try it on as I got 2 d...
There are allot of shops doing plus sizes these days, I don't know what kind of shops you like to shop in but theres, Evans, Topshop are doing plus sizes and have some beautiful clothes,and great styles, New Look has started doing plus sizes, Dorothy...